修改完成

html/reg.html

@@ -25,6 +25,7 @@
         </div>
         <div class="auth-body">
           <form id="registerForm" autocomplete="off">
+            <input type="hidden" id="inviteCode" name="inviteCode" />
             <div class="form-group" id="nickNameContainer">
               <label for="nickName">昵称</label>
               <input
@@ -651,7 +652,7 @@
           },
           getOptionalGraphVerifyParams(),
         );
-        const inviteCode = AuthPageUtil.getReferralInviteCodeFromUrl();
+        const inviteCode = $("#inviteCode").val().trim();
         if (inviteCode) registerData.inviteCode = inviteCode;
         return registerData;
       }
@@ -720,6 +721,7 @@
 
       layui.use(["layer", "jquery"], function () {
         layerInstance = layui.layer;
+        $("#inviteCode").val(AuthPageUtil.getReferralInviteCodeFromUrl());
         loadVerifyConfig().then(refreshCaptcha);
         $("#sendSmsBtn").on("click", sendSmsCode);
         $("#registerForm").on("submit", function (event) {